Earnings Per Share (Tables)

12 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Weighted Average Common Shares Outstanding

The table below presents the computation of basic and diluted weighted average common shares outstanding for the years ended March 31, 2013, 2012 and 2011:

(In thousands, except per share amounts)	Years Ended March 31,
Basic Earnings per Share Computation	2013		2012		2011
Numerator:
Net earnings	$	340,874	$	313,374	$	250,264
Denominator:
Basic shares outstanding	76,651		76,586		83,487
Basic net earnings per share	$	4.45	$	4.09	$	3.00
(In thousands, except per share amounts)	Years Ended March 31,
Diluted Earnings per Share Computation	2013		2012		2011
Numerator:
Net earnings	$	340,874	$	313,374	$	250,264
Denominator:
Basic shares outstanding	76,651		76,586		83,487
Incremental shares from assumed exercises and conversions:
Stock options and options under the Employee Stock Purchase Plan	1,656		1,738		1,765
Diluted shares outstanding	78,307		78,324		85,252
Diluted net earnings per share	$	4.35	$	4.00	$	2.94